SQL
SQL stands for structured query language. It uses commands such as “select”, “insert”, “update”, “delete”. Some common relational database management systems that use SQL are: Oracle, MySQL, Microsoft SQL Server, PostgreSQL, etc.
- GitHub: https://github.com/topics/sql
- Wikipedia: https://en.wikipedia.org/wiki/SQL
- Created by: Donald D. Chamberlin, Raymond F. Boyce
- Released: 1986
- Related Topics: database,
- Last updated: 2026-07-10 00:26:02 UTC
- JSON Representation
https://github.com/aegodoy1492/mi-primer-repositorio
Mi primer repositorio en GitHub para el curso de FreeCodeCamp
csharp devexpress pyton sql visualbasic
Last synced: 13 Oct 2025
https://github.com/freysie/sql-formatting
Popular SQL formatters bridged from JS and Perl to Swift.
Last synced: 13 Oct 2025
https://github.com/ggql/gql
Git Query language is a SQL like language to perform queries on .git files with supports of most of SQL features such as grouping, ordering and aggregations functions
database engine git gitql gql interpreter rust sql
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https://github.com/kumartusha/study-buddy-project
👩💻 Study-Buddy-Project Using Core Java 👨💻
Last synced: 02 Jul 2026
https://github.com/jaseel342/hotel_data_analysis
This project delves into a three-year hotel revenue dataset (2018-2020) using SQL and Power BI. We extract insights on revenue trends, guest seasonality, and offer actionable staffing recommendations. By embracing data nuances, we empower the hospitality industry with informed strategies for success.
dax-expression excel-data-import microsoft-sql-server powerbi powerbi-report powerbi-visuals sql sqlserver-2019
Last synced: 17 Feb 2026
https://github.com/ahdanfirdaus/belajar-sql-dasar
Dokumentasi belajar sql dasar
Last synced: 05 Feb 2026
https://github.com/hussein-m-kandil/generic-express-service
A generic Express.js back-end service designed to support multiple front-end apps that I am managing to build in parallel with this app.
api bcryptjs cors docker docker-compose express jwt multer nodejs passport postgresql prisma rest-api sharp sql supertest typescript vitest winston zod
Last synced: 22 Jan 2026
https://github.com/egjfour/dsti-course-notes
Notes for classes taken at DSTI stored in an Obsidian vault and backed up to Github. Includes notes for all courses taken during my Master's program
aws calculus cloud graph law linear-algebra mlops neo4j optimization-algorithms owl-ontology project-management rdf software-engineering sql statistics
Last synced: 19 Apr 2026
https://github.com/piercel2022/nextjs-dashboard
nextjs-dashboard is a simplified version of the financial dashboard that has: A public home page. A login page. Dashboard pages that are protected by authentication,. The ability for users to add, edit, and delete invoices.
javascript pnpm postgresql-database reactjs sql typescript vercel
Last synced: 14 Apr 2026
https://github.com/morimorig3/my-cooking-recipes
SQLとAppRouterの練習用に今回はユーザーごとにお気に入りのレシピを保存できるアプリケーションを実装しました。SQLに触れることを目的にしているため、セキュリティ周りはVercel Postgresにおまかせになっています。
ant-design db nextjs react sql typescript
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https://github.com/anatoliybr/railway-tickets-sale-db
Database for the railway ticket sales service
db-design db-implementation db-schema er-diagram pgadmin postgresql sql
Last synced: 15 Oct 2025
https://github.com/bilgeswe/bigdatamanagement
Building a Data Pipeline with Lakehouse Architecture on Microsoft Azure Platform
azure azure-pipelines azure-service azure-storage big-data big-data-analytics big-data-processing data-visualization datalake-ingestion dataset kaggle sql uml-diagram
Last synced: 22 Jan 2026
https://github.com/rociobenitez/ivr-customer-service-ivrdb
A repository for managing the database schema and data related to a customer service Interactive Voice Response (IVR) system, including call records, modules, and user steps.
Last synced: 15 Oct 2025
https://github.com/mizcausevic-dev/search-observability-warehouse
SQL warehouse for search console, crawl, index coverage, freshness drift, and URL-level observability diagnostics.
analytics-engineering crawl-analysis data-modeling indexation python search-observability sql technical-seo warehouse
Last synced: 01 Jun 2026
https://github.com/mizcausevic-dev/revops-database-lab
PostgreSQL revenue operations lab for pipeline modeling, attribution analysis, forecast visibility, and renewal risk reporting.
analytics attribution data-modeling database-design forecasting postgresql revenue-operations saas sql
Last synced: 01 Jun 2026
https://github.com/niteshkumar76/e-commerce_project-
E-Commerce project using MYSQL
mysql-database queries rdbms sql
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https://github.com/bell-kevin/chap9exer
Website with Backend Database Hooked-Up
mariadb mariadb-database mariadb-server php phpmyadmin sql xampp xampp-server
Last synced: 27 Jan 2026
https://github.com/vaxdata22/city-weather-and-s3file-rds-s3-bigquery-etl-by-airflow-on-ec2
This is my third AWS Cloud ETL project. This data pipeline orchestration uses Apache Airflow on AWS EC2. It demonstrates how to build an ETL data pipeline that would perform data extraction to a database in parallel to a loading process into the same database, join the tables, copy joined data to S3 and finally copy the S3 file to BigQuery DW.
apache-airflow aws-ec2 aws-rds-postgres aws-s3 bigquery business-intelligence dags data-warehousing etl-pipeline openweathermap-api orchestration python3 sql
Last synced: 21 May 2026
https://github.com/balajimohan18/sql-projects
The repository contains Structured Query Language (SQL) Scripts. The Multiple SQL scripts for various projects which includes data cleaning, data pre-processing, data processing, data transformation and insights gaining through Query Language
data-analysis data-mining data-science eta microsoft-sql-server query-language sql sql-server sql-server-management-studio sqlqueries
Last synced: 14 Mar 2026
https://github.com/belkinmix/sql-project---queries-and-data-modeling
A project from my university - I wrote business level SQL queries and developed an ER Model & remodeled a database.
data-modeling database database-schema datamodeling hackolade mysql sql
Last synced: 27 Jan 2026
https://github.com/prakshi-23/itvedant-database-management-system-analysis-using-sql
Data Analysis using SQL
Last synced: 22 Jan 2026
https://github.com/shani-kumar-gupta/bookmyshow-airtribe
Problem Solving Case: Bookmyshow
database dbms mysql normalization sql
Last synced: 18 Apr 2026
https://github.com/fahadfoysal/inventory_management_system
An Inventory_management_system web application on Django framework. Features: User Authentication, CRUD, Inventory Search. Remaining product quantity. Category, Dashboard and many more. Tech Stack: Python, Django, SQLite, HTML, CSS.
Last synced: 07 May 2026
https://github.com/marianmeres/data-to-sql-params
A helper function for extracting and converting data objects to various helper lists useful for programmatically creating SQL statements.
Last synced: 27 Jan 2026
https://github.com/aayushy7777/weather_forecast_dashboard
Developed a Power BI dashboard using a weather API key to display real-time data on temperature, humidity, wind speed, and forecasts with dynamic visuals and filters.
excel figma powerbi sql weather-api weather-forecast
Last synced: 18 Oct 2025
https://github.com/nikeshcohen/project-management-system
A Project Management System built in Java and MySQL. Users can create new projects and assign people to said projects, to a relational database.
Last synced: 18 Oct 2025
https://github.com/abdelrahmantaymour/problem-solving
algorithms cpp data-structures database database-management filesystem mssqlserver opp sql
Last synced: 14 Mar 2026
https://github.com/qlishell/sql-the-practical-guide
If you work in data, you’ll write SQL queries all the time. So how do you write efficient SQL queries that are optimized for performance
Last synced: 18 May 2026
https://github.com/mahmud-kandawala/hoopslink-database-design-capstone-project
This repository hosts the source code and documentation for a versatile platform that connects coaches, players, and equipment suppliers. The system facilitates scheduling, inventory management, performance reviews, and transaction processing, creating a unified experience for all stakeholders involved in the basketball community.
database microsoft-sql-server normalization sql
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https://github.com/liannoi/exam-database
Examination work on subjects "Database Theory" and "Programming and Administration of the MS SQL Server DBMS"
database-theory exam exam-practice ms-sql-server sql sql-server t-sql
Last synced: 14 Mar 2026
https://github.com/kursatfndk/homework-tracking-db-sql
This project includes a basic SQL database to keep track of the topics. It was developed to practice SQL after learning Python.
Last synced: 19 Oct 2025
https://github.com/mstovarh/analisis_de_canciones_de-spotify-m-s-repoducidas-en-2023-
En este repositorio se encuentra el análisis descriptivo que le realicé sobre las visualizaciones de las canciones más escuchadas de Spotify en 2023.
Last synced: 23 Jan 2026
https://github.com/gorros/redshift-utils
Collection of useful Redshift queries.
Last synced: 15 Mar 2026
https://github.com/mrjaid23/quantum-analytics-sql-capstone-project
SQL Capstone Project
Last synced: 15 Mar 2026
https://github.com/abdullahasghar/sql
The repo includes all projects and assessments I have completed with SQL. IDE/s used: MS SQL Server, Google Big Query.
Last synced: 15 Mar 2026
https://github.com/anag0es/projetojava
Cadastro de usuário com java e sql - curso técnico em desenvolvimento de sistemas
Last synced: 20 Oct 2025
https://github.com/ashwin331133/sql-pizza-outlet-sales-analysis
This project analyzes pizza sales data to gain insights into customer behavior and revenue patterns. Key analyses include customer insights, popular pizza types and sizes, revenue generation, and order trends. The findings help optimize menu offerings, staffing, and marketing strategies to boost overall business performance.
Last synced: 24 Feb 2026
https://github.com/ashu3291/music-store-analysis
Data Analysis for Digital Music Store using SQL
beginner-friendly-project portfolio-project sql sql-server sqlproject
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https://github.com/habibur-rahman-swe/worldcupdatabase
2nd Task of Relational Database Certification
Last synced: 27 Jan 2026
https://github.com/srodriguezamarillo/mundotrade
Proyecto SQL de gestión de equipamiento y enlaces a Internet para la empresa de logística "Mundo Trade". Implementa técnicas avanzadas de SQL para garantizar la integridad y eficiencia del sistema y la correcta administración de datos.
data-integrity database-management equipment-management logistics optimization sql sql-functions stored-procedures triggers views
Last synced: 23 Jan 2026
https://github.com/athari22/analyzing-the-yelp-dataset
SQL for Data Science
analytics data data-science data-structures er sql
Last synced: 27 Jan 2026
https://github.com/eeroel/ipykernel-duckdb
IPykernel wrapper with autocompletion and magics for DuckDB
data-science duckdb ipython jupyter sql
Last synced: 15 Mar 2026
https://github.com/luccaalves/atividades_logica_programacao_estruturada
Atividades de Lógica de Programação Estruturada em PHP (Variáveis, Variáveis em Array, Métodos de Envio de Dados POST e GET, Laço de Repetição, Operadores Lógicos e Relacionais, Arquivos de Função, Programação Orientada a Objeto, Calculadoras, e Formulários).
css3 html5 mysql php php7 php8 sql
Last synced: 15 Mar 2026
https://github.com/shubhamsoni98/prediction-with-binomial-logistic-regression
To predict client subscription to term deposits and optimize marketing strategies by identifying potential subscribers.
binomial data data-science eda machine-learning matplotlib pipeline python scikit-learn seaborn sklearn sql visualization
Last synced: 06 Feb 2026
https://github.com/vidyavarshini17/sql-solutions-hackerrank-basic
Hackerrank SQL Basic Solutions
hackerrank-basics hackerrank-solutions hackerrank-sql-solutions sql
Last synced: 28 Jan 2026
https://github.com/pavanpadamata26/singletondesignpattern
This repository implements the Singleton Design Pattern for managing a thread-safe, centralized database connection pool. The design ensures only one instance of the connection pool exists during the application’s lifecycle, optimizing resource usage and performance.
Last synced: 06 Feb 2026
https://github.com/joliwood/sql-showcase
OLD - CRUD Back app to use an online DB with postgresql, hosted on the cloud by render.com
bootstrap database ejs express node postgres postgresql psql sql
Last synced: 23 Feb 2026
https://github.com/sh4rkvicc/20241_progbancodedados01_fatecipiranga
Meus estudos de PL/SQL
functions plsql postgresql sql
Last synced: 24 Oct 2025
https://github.com/oleksandra-o/sqlite
Using Databases with Python University of Michigan class
Last synced: 22 Feb 2026
https://github.com/Verkstaden/skifta
Skifta is a CLI tool for transforming data dumps by masking sensitive data, generating random test data, and creating smaller subsets for non-production environments.
data-dump data-dumps database mysql postgresql sanitize sql transform
Last synced: 24 Oct 2025
https://github.com/sugumarsrinivasan/sql-datawarehouse-project
Building Mordern datawarehouse with SQL Server, including ETL Processes, data modeling, and data analytics.
data-analysis data-analytics data-engineering data-lake data-science data-warehouse datawarehousing etl etl-pipeline medallion-architecture sql sql-query sql-server
Last synced: 19 Jun 2026
https://github.com/theng23/e-commerce-website-performance-analysis-sql
Using Bigquery base on Google Analytics dataset to analyze E-commerce Website
Last synced: 24 Oct 2025
https://github.com/franco-diaz-licham/tournamenttrackerapp
Tournament Tracker is a desktop application that allows users to create and play through elimination-style tournaments (e.g. an indoor soccer tournament)
csharp csv dot-net sql sql-server visual-studio windows-forms
Last synced: 15 Mar 2026
https://github.com/gabrielluizone/structured-query-language
TSQL, PL/SQL, CQL, MQL, e outros
cassandra mongodb non-relational-database oracle-database relational-databases sql sqlserver
Last synced: 25 Feb 2026
https://github.com/adhirajcs/dbms_college_assignments
My DBMS lab College Assignments.
college-assignment dbms oracle-database oracle-sql-developer pl-sql sql
Last synced: 23 Jan 2026
https://github.com/guilhermehrt02/barber-schedule
O Sistema de Agendamento para Salão de Beleza é uma aplicação desenvolvida para facilitar o gerenciamento de serviços em um salão de beleza, permitindo que clientes agendem serviços como barbearia de forma eficiente e organizada.
h2-database java junit5 mockito spring-data-jpa spring-security springboot sql
Last synced: 19 Jan 2026
https://github.com/mohamed-khaled0/covid-data-exploration.sql
Covid-19 data
covid19-data data-analysis datacleaning microsoft-sql-server sql
Last synced: 06 Feb 2026
https://github.com/fikrimusa/codewars
A Collection of Programming Practice Exercises
cpp11 cpp14 cpp17 cprogramming postgresql sql
Last synced: 14 Apr 2026
https://github.com/yunusemrejr/php-mysql-shopping-cart
Shopping Cart with PHP & MySQL (+CSS/HTML) *thanks to Codex Time on YT for the amazing tutorial
css ecommerce html mysql php shopping-cart sql xampp-server
Last synced: 14 Apr 2026
https://github.com/iletai/fachat
FAChat
application csharp packets socket socketio sql
Last synced: 25 Oct 2025
https://github.com/shdrn2402/data_analysis
A structured repository for my data analysis projects, including SQL queries, Python-based data processing, and data visualization. This serves as an index for my work in analytics, linking to individual project repositories.
datavisualization postgresql python sql
Last synced: 15 May 2026
https://github.com/khangtran85/user-behavior-analysis-for-ecommerce
A SQL project analyzing eCommerce data to uncover insights on traffic, customer behavior, and purchasing patterns. Covers key metrics like visits, transactions, and conversion rates, providing data-driven support for optimizing revenue and user experience.
bigquery ga-session google-analytics-sample publicdata sql
Last synced: 21 Feb 2026
https://github.com/mikaelvesavuori/triplecheck-repository-cosmosdb-sql
Database utility for using CosmosDB (SQL) with TripleCheck broker.
consumer-contracts consumer-driven-contracts contract-testing cosmosdb pacts sql triplecheck
Last synced: 04 Jul 2026
https://github.com/fou1100ouacus/databaseanalysis-design
ERD & Schema
entity erdiagram relational-databases schema sql
Last synced: 23 Jan 2026
https://github.com/sawaira-iqbal/cutomer_credit-card-financial-use-power-bi-report-
💳📊 Developed an interactive Customer Credit Card Dashboard in Power BI to analyze revenue, transactions, and customer demographics for actionable financial insights. 👩💻📈 Integrated PostgreSQL + DAX measures to create KPIs, segment customers by age, income, and education, and uncover spending behavior trends.
db financialreport powerbi sql
Last synced: 26 Oct 2025
https://github.com/linguini1/carefinder
Matches patients with healthcare providers based on their specific needs and health profile. Based on the original OEC 2023 challenge.
api backend css database frontend full-stack html javascript python react rest-api sql sql-lite web-app web-development website
Last synced: 26 Oct 2025
https://github.com/iammshahbaz/destechnico
Simple ecommerce website Backened
Last synced: 04 Jan 2026
https://github.com/billgewrgoulas/sql-operators
Algorithms for UNION , MERGE-JOIN , INTERSECTION , SET-DIFFERENCE , GROUP-BY SQL operators
Last synced: 26 Oct 2025
https://github.com/darrendavy12/noaa-storm-events-analysis-postgresql-database
This project builds a PostgreSQL database to store and analyze the NOAA Storm Events Database
datacleaning dataengineering error-handling etl etl-pipeline pgadmin4 postgresql psql python python-script query-builder sql troubleshooting
Last synced: 17 Apr 2026
https://github.com/robindumontchaponet/reflexivequery
[WIP] Somewhat effective SQL query builder
database pdo php8 queries sql work-in-progress
Last synced: 27 Oct 2025
https://github.com/binakot/timescaledb-error-distinct-on-single-object-array-and-second-order-by
Bug report to TimescaleDB about broken 'distinct on'
bug error planner postgres postgresql sql timescaledb
Last synced: 11 Apr 2026
https://github.com/aaisha-nexus/sql_excel_project
A data analysis project using MS SQL Server and Excel, focusing on database setup, querying, data cleaning, and visualization with PivotTables & Charts. Explored real-world sales data, financial KPIs, and interactive dashboards.
charts dashboard data-visualization dataanalysis dataanalytics databases excel kpi mssqlserver pivot-tables queries sql
Last synced: 15 May 2026
https://github.com/lzhudson/daily-diet-api
The daily diet API is a project that consists of an API for controlling user meals.
api api-client api-rest fastify insomnia knex node nodejs sql sqlite typescript zod
Last synced: 24 Jan 2026
https://github.com/bedirk/portfolio-projects
Data Analytics Portfolio Projects
dataanalysis excel mssqlserver numpy pandas powerbi python sql tableau
Last synced: 16 Mar 2026
https://github.com/charlesvdv/entitygen
Tool to generate go struct from SQL static analysis
database go go-generate golang postgresql sql tool
Last synced: 28 Jan 2026
https://github.com/rahulchouhan1/sql-data-warehouse-project
Building a modern data warehouse with SQL Server, including ETL Processes, data modeling, and analytics.
data-analysis data-cleaning data-engineering data-science data-warehouse datascience etl etl-pipeline sql sql-query sql-server
Last synced: 24 Jan 2026
https://github.com/saya304/data-cleaning-and-exploratory-data-analysis
Data Cleaning and Exploratory Data Analysis in Snowflake
data-cleansing exploratory-data-analysis snowflake sql
Last synced: 16 Mar 2026
https://github.com/kskmemory/data-analysis-sales-insights-with-powerbi
Data Analysis-Sales Insights with PowerBI
datamanipulation powerbi powerquery sql
Last synced: 28 Jan 2026
https://github.com/shahidmalik4/northwind-sales-analysis-using-powerbi
The "Unveiling Sales Patterns: A Comprehensive Analysis of Northwind's Sales Data" project involved the processing, transformation, and visualization of sales data obtained from Kaggle. Utilizing MySQL for data manipulation, Excel for cleaning and preparation, and Power BI for normalization and visualization.
analytics excel kaggle-dataset powerbi sales sql
Last synced: 28 Jan 2026
https://github.com/nlabsglobaltechnologgies/sql-staffcustomersfollowingdb
This database was developed in the light of the information I gained during the training I received from Istanbul Education Academy.
Last synced: 16 Mar 2026
https://github.com/bishtrishu/pizza_sales_analysis_dashboard_sql_bi
Welcome to the Pizza Sales Analysis Dashboard project! This repository contains a comprehensive guide to building an interactive and insightful dashboard for analyzing pizza sales data using SQL and Power BI.
data data-science dataanalyst datavisualization dax dax-query microsoft microsoft-azure microsoft-sql-server msexcel mysql powerbi powerquery project sql
Last synced: 16 Mar 2026